Lock unit



FIG. 1 is a perspective view of the lock unit;

FIG. 2 is a top view of the lock unit;

FIG. 3 is a left side view of the lock unit;

FIG. 4 is a right side view of the lock unit;

FIG. 5 is a rear view of the lock unit; and,

FIG. 6 is a front view of the lock unit. 

CLAIM The ornamental design for a lock unit, as shown and described. 